<?php
    /*********************************************************************************
     * Zurmo is a customer relationship management program developed by
     * Zurmo, Inc. Copyright (C) 2014 Zurmo Inc.
     *
     * Zurmo is free software; you can redistribute it and/or modify it under
     * the terms of the GNU Affero General Public License version 3 as published by the
     * Free Software Foundation with the addition of the following permission added
     * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
     * IN WHICH THE COPYRIGHT IS OWNED BY ZURMO, ZURMO DISCLAIMS THE WARRANTY
     * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
     *
     * Zurmo is distributed in the hope that it will be useful, but WITHOUT
     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
     * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
     * details.
     *
     * You should have received a copy of the GNU Affero General Public License along with
     * this program; if not, see http://www.gnu.org/licenses or write to the Free
     * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
     * 02110-1301 USA.
     *
     * You can contact Zurmo, Inc. with a mailing address at 27 North Wacker Drive
     * Suite 370 Chicago, IL 60606. or at email address contact@zurmo.com.
     *
     * The interactive user interfaces in original and modified versions
     * of this program must display Appropriate Legal Notices, as required under
     * Section 5 of the GNU Affero General Public License version 3.
     *
     * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
     * these Appropriate Legal Notices must retain the display of the Zurmo
     * logo and Zurmo copyright notice. If the display of the logo is not reasonably
     * feasible for technical reasons, the Appropriate Legal Notices must display the words
     * "Copyright Zurmo Inc. 2014. All rights reserved".
     ********************************************************************************/

    /**
     * Helper class for working with action security classes
     */
    class TaskActionSecurityUtil extends ActionSecurityUtil
    {
        /**
         * Resolve a link to a related model.  Used by @see ListView
         * for each row of a list for example.  If the current user can Permission::READ
         * the related model, then check if the current user has RIGHT_ACCESS_ to
         * the model's related module.  If current user has access then
         * return link, otherwise return text.  If current user cannot Permission::READ
         * then return null.
         * @param $model
         * @param $moduleClassName
         * @param $linkContent
         * @return null|string
         */
        public static function resolveViewLinkToModelForCurrentUser(
            $model,
            $moduleClassName,
            $linkContent)
        {
            assert('$model instanceof Item');
            assert('is_string($moduleClassName)');
            assert('is_string($linkContent)');
            if ($model->id <= 0)
            {
                return null;
            }
            if (!ActionSecurityUtil::canCurrentUserPerformAction('Details', $model))
            {
                return null;
            }
            if (RightsUtil::canUserAccessModule($moduleClassName, Yii::app()->user->userModel))
            {
                return $linkContent;
            }
            return null;
        }
    }
?>